Games like Mannequin House
Games like Mannequin House include Escape the Backrooms, Resident Evil Requiem, Resident Evil Village, Resident Evil 7 Biohazard, and Backrooms: Escape Together. We matched them by the tags players give Mannequin House on Steam (Horror, Survival Horror, Psychological Horror, Action, and Casual): closest matches first, and among equally close ones the better-known games.

Escape the Backrooms
Shared: Horror · Psychological Horror · Survival Horror

Resident Evil Requiem
Shared: Survival Horror · Horror · Action

Resident Evil Village
Shared: Horror · Survival Horror · Action

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · Psychological Horror

Backrooms: Escape Together
Shared: Horror · Psychological Horror · Survival Horror

Lethal Company
Shared: Horror · Survival Horror · Psychological Horror

Outlast
Shared: Horror · Survival Horror · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · Survival Horror

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · Exploration

Ready or Not
Shared: Realistic · Horror · Psychological Horror

The Beast Inside
Shared: Horror · Survival Horror · Action

Outlast 2
Shared: Horror · Survival Horror · Psychological Horror

Visage
Shared: Horror · Survival Horror · Psychological Horror

The Outlast Trials
Shared: Horror · Survival Horror · Psychological Horror

The Forest
Shared: Horror · Survival Horror · Action

Resident Evil 4
Shared: Horror · Survival Horror · Action

Pacify
Shared: Horror · Psychological Horror · Survival Horror

Five Nights at Freddy's
Shared: Horror · Survival Horror · Psychological Horror

Poppy Playtime
Shared: Horror · Survival Horror · Psychological Horror

FIVE NIGHTS AT FREDDY'S: HELP WANTED
Shared: Horror · Survival Horror · Action

Darkwood
Shared: Horror · Survival Horror · Psychological Horror

Inside the Backrooms
Shared: Horror · Survival Horror · Psychological Horror

SILENT HILL 2
Shared: Horror · Psychological Horror · Survival Horror

[Chillas Art] The Convenience Store
Shared: Horror · Psychological Horror · Casual